print("{}:计算机{}的CPU占用率为{}%".format("2018-10-10", "C", 10))
print("{0:=^20}".format("PYTHON"))
print("{0:*>20}".format("BIT"))
print("{:10}".format("BIT"))
print("0:,.2f".format(12345.6789))
print("{0:b}, {0:c}, {0:o}, {0:x}, {0:X}".format(425))
print("{0:e}, {0:E}, {0:f}, {0:%}".format(3.14))